P

Inventor

KAMEDA HIROSHI

JP55 patents
⚠️ This page may combine multiple inventors who share the name “KAMEDA HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TDK CORP

17 patents
US7436628B2Oct 14, 2008

Perpendicular magnetic recording head for reducing the width of magnetization reversal between recording patterns on a recording medium and method of manufacturing the same

TDK CORP23 citations93
US7417824B2Aug 26, 2008

Perpendicular magnetic recording head where main magnetic pole having inclined surface is formed and method of manufacturing the same

TDK CORP36 citations92
US7990654B2Aug 2, 2011

Perpendicular magnetic recording head

TDK CORP7 citations83
US7545603B2Jun 9, 2009

Magnetic head and manufacturing method thereof

TDK CORP7 citations73
US8054578B2Nov 8, 2011

Perpendicular magnetic recording head that suppresses side fringing

TDK CORP4 citations63
US8049988B2Nov 1, 2011

Perpendicular magnetic recording head that suppresses side fringing

TDK CORP5 citations63
US7852603B2Dec 14, 2010

Perpendicular magnetic recording head capable of suppressing problem such as erasure of magnetic data

TDK CORP3 citations63
US7742259B2Jun 22, 2010

Perpendicular magnetic recording head capable of suppressing PTP and obtaining stabilized recording medium and method of manufacturing the same

TDK CORP6 citations63
US7692896B2Apr 6, 2010

Perpendicular magnetic recording head having return path layer and gap adjusting layer

TDK CORP4 citations63
US7428123B2Sep 23, 2008

Perpendicular magnetic head with yoke overlapping inner side portion and increasing in width and thickness along height

TDK CORP6 citations63
US7990655B2Aug 2, 2011

Perpendicular magnetic recording head having a bottom shield part magnetically connected to a pair of side shield parts

TDK CORP3 citations62
US8018680B2Sep 13, 2011

Vertical magnetic recording head device with the return yoke layer having thick portions

TDK CORP2 citations61
US7859791B2Dec 28, 2010

Perpendicular magnetic recording head having a main magnetic pole layer with a trapezoidally shaped flared part with a ratio of the length of the long base to that of the short base is equal to 1

TDK CORP6 citations60
US7821745B2Oct 26, 2010

Thin-film magnetic head in which perpendicular magnetic record head overlaps on reproducing head

TDK CORP2 citations53
US8045292B2Oct 25, 2011

Perpendicular magnetic recording head with the return yoke layer having gradually increasing the width

TDK CORP1 citations51
US7983010B2Jul 19, 2011

Perpendicular magnetic recording head and perpendicular magnetic recording/reproducing head with at least one shield layer having a substantially arched portion

TDK CORP1 citations51
US7903371B2Mar 8, 2011

Perpendicular magnetic recording head and perpendicular magnetic recording/reproducing head having a magnetic shield layer with a thick edge portion

TDK CORP0 citations51

ALPS ELECTRIC CO LTD

8 patents

MITSUBISHI ELECTRIC CORP

6 patents

HARMONIC DRIVE SYSTEMS

5 patents

INBE TOSHIO

3 patents

KAMEDA HIROSHI

2 patents

TAKABAYASHI YUKI

2 patents

MITSUI CHEMICALS INC

1 patent

TOKIWA KOGYO CO LTD

1 patent

SANKIN IND CO

1 patent

YAZAWA HISAYUKI

1 patent

TAKABAYASHI YUUKI

1 patent

CHEMETALL GMBH

1 patent

YAMASHITA TOMOHIRO

1 patent

Showing the top 50 of 55 patents by PatentIndex Score.